Primordial Hydra enters the battlefield with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it.
NM-Mint - $15.70
Lightly Played - $14.20
Moderately Played - $12.60
Heavily Played - $11.00
Damaged - $7.90
NM-Mint Non English - $15.70
Lightly Played Non English - $14.20
Moderately Played Non English - $12.60
Heavily Played Non English - $11.00
Damaged Non English - $7.90